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musicemma
Group Title
If you have a device that has an energy efficiency of 0.4 and you put in 100 units of energy, how many units of useful energy will you get out of it?
A. 0.4
B. 4
C. 40
 one year ago
 one year ago
musicemma Group Title
If you have a device that has an energy efficiency of 0.4 and you put in 100 units of energy, how many units of useful energy will you get out of it? A. 0.4 B. 4 C. 40
 one year ago
 one year ago

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musicemma Group TitleBest ResponseYou've already chosen the best response.0
I think it's C but I'm probably wrong
 one year ago

stgreen Group TitleBest ResponseYou've already chosen the best response.2
no you're right..
 one year ago
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